Disable test failing on master-next.

rudkx · rudkx · commit 81f566727c6e · 2016-07-15T22:38:16.000-07:00
The SIL verifier is complaining about an opened archetype that is not
registered with the SILFunction.

rdar://problem/27386065
diff --git a/test/1_stdlib/NSSetAPI.swift b/test/1_stdlib/NSSetAPI.swift
@@ -2,6 +2,7 @@
 // REQUIRES: executable_test
 
 // REQUIRES: objc_interop
+// REQUIRES: rdar27386065
 
 import StdlibUnittest
 
